Mathematics, 18.02.2021 21:20, Joesefsky

Del siguiente texto: "En un corral hay 12 animales entre gallinas y borregos; si hay en total 32 patas, ¿cuántos animales hay de cada uno?" Elige la
expresión algebraica que detona un sistema de ecuaciones *
1.x+y=32; 2x+4y=12
2.hay 8 gallinas y 4 borregos
3.x+y=12; x+y=32
4.O x+y=8; 2x+4y=32

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Del siguiente texto: "En un corral hay 12 animales entre gallinas y borregos; si hay en total 32 pa...